Welcome to bar ONE Tapas & Lounge, Atlanta’s newest upscale lounge & restaurant in Grant Park. The Peter Thomas Entertainment Group has created an artistic and eclectic environment for you to enjoy with your family, friends, and colleagues. The ambiance at bar ONE Tapas & Lounge is chic & the decor is breath taking. Spending your night for happy hour, late night dining or drinks, or just enjoying great Caribbean Tapas at our restaurant & lounge will be a memorable night! bar ONE is open Tuesday through Sunday with complimentary valet starting at 6pm.